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ADM1023ARQZ датащи(PDF) 10 Page - ON Semiconductor

номер детали ADM1023ARQZ
подробное описание детали  ACPI-Compliant, High Accuracy Microprocessor System Temperature Monitor
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производитель  ONSEMI [ON Semiconductor]
домашняя страница  http://www.onsemi.com
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ADM1023ARQZ датащи(HTML) 10 Page - ON Semiconductor

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Table 3. List of ADM1023 Registers
Read Address (Hex)
Write Address (Hex)
Name
Power−On Default
Not applicable
Not applicable
Address pointer
Undefined
00
Not applicable
Local temperature value
1000 0000 (0x80) (−128
°C)
01
Not applicable
Remote temperature value high byte
1000 0000 (0x80) (−128
°C)
02
Not applicable
Status
Undefined
03
09
Configuration
0000 0000 (0x00)
04
0A
Conversion rate
0000 0010 (0x02)
05
0B
Local temperature high limit
0111 1111 (0x7F) (+127
°C)
06
0C
Local temperature low limit
1100 1001 (0xC9) (−55
°C)
07
0D
Remote temperature high limit high byte
0111 1111 (0x7F) (+127
°C)
08
0E
Remote temperature low limit high byte
1100 1001 (0xC9) (−55
°C)
Not applicable
0F (Note 1)
One−shot
10
Not applicable
Remote temperature value low byte
0000 0000
11
11
Remote temperature offset high byte
0000 0000
12
12
Remote temperature offset low byte
0000 0000
13
13
Remote temperature high limit low byte
0000 0000
14
14
Remote temperature low limit low byte
0000 0000
19
Not applicable
Reserved
0000 0000
20
21
Reserved
Undefined
FE
Not applicable
Manufacturer device ID
0100 0001 (0x41)
FF
Not applicable
Die revision code
0011 xxxx (0x3x)
1. Writing to Address 0F causes the ADM1023 to perform a single measurement. It is not a data register as such; thus, it does not matter what
data is written to it.
Table 4. Offset Values
Offset Registers
Remote Temperature
0x11
0x12
Offset Value
With Offset
Without Offset
1111 1100
0000 0000
−4
°C
14
°C
18
°C
1111 1111
0000 0000
−1
°C
17
°C
18
°C
1111 1111
1110 0000
−0.125
°C
17.875
°C
18
°C
0000 0000
0000 0000
0
°C
18
°C
18
°C
0000 0000
0010 0000
+0.125
°C
18.125
°C
18
°C
0000 0001
0000 0000
+1
°C
19
°C
18
°C
0000 0100
0000 0000
+4
°C
22
°C
18
°C
Status Register
Bit 7 of the status register (see Table 5) indicates that the
ADC is busy converting when it is high. Bit 6 to Bit 3 are
flags indicating the results of the limit comparisons.
If the local and/or remote temperature measurement is
above the corresponding high temperature limit or below the
corresponding low temperature limit, one or more of these
flags will be set. Bit 2 is a flag that is set if the remote
temperature sensor is open−circuit. These five flags are
NOR’d together, so that if any of them are high, the ALERT
interrupt latch is set, and the ALERT output goes low.
Reading the status register clears the five flag bits,
provided the error conditions that caused the flags to be set
have gone away. While a limit comparator is tripped due to
a value register containing an out−of−limit measurement or
the sensor is open−circuit, the corresponding flag bit cannot
be reset. A flag bit can be reset only if the corresponding
value register contains an in−limit measurement, or the
sensor is good.
The ALERT interrupt latch is not reset by reading the
status register, but it resets when the ALERT output has been
serviced by the master reading the device address, provided
the error condition has gone away and the status register flag
bits have been reset.


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